Great St Lawrence Sea Conditions table showing wave height, swell direction and period.
High and low tide times are also provided on the table along with the moon phase and forecast weather. Sunrise today is at 05:35 AM and sunset is at 08:58 PM.
Days 1–3 Weather SummaryMostly dry. Warm air temperatures (max 21°C on Tue afternoon, min 13°C on Mon night). Wind will be generally light. | Days 4–6 Weather SummaryModerate rain (total 13mm), heaviest on Fri night. Warm air temperatures (max 20°C on Fri afternoon, min 15°C on Sat afternoon). Wind will be generally light. | Days 7–9 Weather SummaryHeavy rain (total 46mm), heaviest during Mon night. Very mild (max 19°C on Sun afternoon, min 15°C on Mon night). Winds increasing (calm on Sun afternoon, strong winds from the NE by Mon night). | Days 10–12 Weather SummaryLight rain (total 3mm), mostly falling on Wed morning. Very mild (max 18°C on Thu afternoon, min 13°C on Wed night). Winds decreasing (fresh winds from the WSW on Wed afternoon, calm by Fri afternoon). | Days 13–16 Weather SummaryLight rain (total 3mm), mostly falling on Sat night. Very mild (max 19°C on Mon morning, min 13°C on Mon night). Winds decreasing (fresh winds from the S on Sat night, light winds from the SSE by Tue morning). | |||||||||||||||||||||||||||||||||||||||||||
Monday 20 | Tuesday 21 | Wednesday 22 | Thursday 23 | Friday 24 | Saturday 25 | Sunday 26 | Monday 27 | Tuesday 28 | Wednesday 29 | Thursday 30 | Friday 31 | Saturday 1 | Sunday 2 | Monday 3 | Tue 4 | ||||||||||||||||||||||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | |
Wave Height Map |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | |||||||||||||||||||||||||||||||
High Tide | 2:17PM1.90m | 2:32AM1.75m | 3:15PM1.87m | 3:21AM1.64m | 4:11PM1.86m | 4:10AM1.55m | 5:04PM1.86m | 4:59AM1.49m | 5:56PM1.86m | 5:54AM1.46m | 6:49PM1.88m | 6:54AM1.46m | 7:43PM1.90m | 7:54AM1.50m | 8:33PM1.94m | 8:42AM1.56m | 9:15PM1.98m | 9:21AM1.63m | 9:52PM2.00m | 9:55AM1.70m | 10:26PM2.00m | 10:29AM1.77m | 10:57PM1.98m | 11:03AM1.83m | 11:29PM1.94m | 11:41AM1.87m | 00:04AM1.88m | 12:24PM1.90m | |||||||||||||||||||
Low Tide | 7:21AM0.58m | 7:55PM0.84m | 8:04AM0.66m | 8:54PM0.93m | 8:50AM0.74m | 10:04PM0.98m | 9:48AM0.81m | 11:21PM1.00m | 11:00AM0.83m | 00:21AM0.97m | 12:01PM0.81m | 1:06AM0.92m | 12:48PM0.77m | 1:44AM0.86m | 1:28PM0.72m | 2:21AM0.79m | 2:05PM0.67m | 2:57AM0.73m | 2:41PM0.64m | 3:33AM0.67m | 3:19PM0.61m | 4:09AM0.61m | 3:58PM0.61m | 4:44AM0.57m | 4:40PM0.62m | 5:19AM0.53m | 5:25PM0.64m | 5:55AM0.51m | 6:12PM0.67m | ||||||||||||||||||
Wave Height (m) Direction Period (s) | SSW 8 | SSW 8 | SSW 8 | SSW 8 | SSW 8 | SSW 8 | SSW 8 | SSW 8 | SSE 5 | S 6 | SW 7 | SW 8 | SW 8 | SW 9 | SW 9 | SW 9 | SW 9 | SSW 8 | SSW 8 | SSW 7 | SSW 7 | S 7 | S 7 | SSE 7 | SSE 9 | SSW 12 | SSW 10 | SSW 9 | S 8 | SW 8 | SW 9 | SSW 9 | SSW 9 | SSW 10 | SSW 10 | SSW 9 | SW 9 | SSW 9 | SSW 8 | SSW 7 | SSW 7 | S 7 | SSW 8 | SSW 8 | SW 8 | SSW 8 | SW 8 |
 | |  | | | | |  |  | | | | | |  |  | |  | | | | | |  |  | |  | | | | | | | | | | | | | |  | | | | | | | |
clear | clear | clear | clear | clear | clear | clear | cloudy | cloudy | cloudy | cloudy | cloudy | cloudy | cloudy | mod rain | light rain | light rain | light rain | light rain | clear | clear | clear | cloudy | heavy rain | rain shwrs | clear | some clouds | light rain | cloudy | some clouds | clear | clear | some clouds | clear | clear | some clouds | clear | clear | light rain | light rain | some clouds | clear | clear | clear | clear | some clouds | some clouds | |
km/h | |||||||||||||||||||||||||||||||||||||||||||||||
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 10 | 1 | 1 | 1 | 1 | — | — | — | — | 40 | 5 | — | — | 3 | — | — | — | — | — | — | — | — | — | — | 1 | 2 | — | — | — | — | — | — | — |
max °C | 17 | 17 | 15 | 20 | 21 | 18 | 17 | 16 | 19 | 19 | 19 | 19 | 19 | 20 | 17 | 17 | 17 | 16 | 18 | 19 | 18 | 19 | 18 | 16 | 17 | 19 | 16 | 17 | 16 | 15 | 16 | 18 | 17 | 17 | 18 | 17 | 18 | 17 | 15 | 16 | 17 | 15 | 19 | 19 | 16 | 15 | 16 |
Moonrise | 1:08 | — | — | 2:18 | — | — | — | 3:28 | — | — | 4:36 | — | — | 5:40 | — | — | 6:39 | — | — | 7:28 | — | — | 8:08 | — | — | 8:39 | — | — | — | 9:04 | — | — | 9:24 | — | — | 9:42 | — | — | 9:58 | — | — | 10:14 | — | — | 10:31 | — | — |
Moonset | — | — | 11:39 | — | — | 11:59 | — | — | — | 12:22 | — | — | 12:52 | — | — | 1:29 | — | — | 2:16 | — | — | 3:12 | — | — | 4:17 | — | — | 5:25 | — | — | 6:36 | — | — | 7:47 | — | — | 8:57 | — | — | 10:08 | — | — | 11:20 | — | — | 12:35 | — |
 | 5:35 | — | — | 5:37 | — | — | 5:37 | — | — | 5:39 | — | — | 5:41 | — | — | 5:41 | — | — | 5:43 | — | — | 5:43 | — | — | 5:45 | — | — | 5:46 | — | — | 5:48 | — | — | 5:48 | — | — | 5:50 | — | — | 5:50 | — | — | 5:52 | — | — | 5:54 | — |
 | — | 8:58 | — | — | 8:57 | — | — | 8:55 | — | — | 8:54 | — | — | 8:53 | — | — | 8:52 | — | — | 8:51 | — | — | 8:50 | — | — | 8:49 | — | — | 8:47 | — | — | 8:46 | — | — | 8:45 | — | — | 8:44 | — | — | 8:43 | — | — | 8:40 | — | — | 8:39 |
Today's sea temperature in Great St Lawrence is 10.3° C (Statistics for 20 Jul 1981-2005 – mean: 13.3 max: 15.8 min: 11.1°C) | |||||||||||||||||||||||||||||||||||||||||||||||
Nearest